Operation & maintenance and Annual Overhauling of Air Conditioning Plants installed at KBEL,KSHY,KSHO,KGPK,KMHR,KCEN,KESP, KPSK, KMDI, KRSD,KNBN,KJPK,KHG,KRSB stations of Metro Railway, Kolkata.

1-Operation and All inclusive maintenance of Air Conditioning Plants

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at CENTRAL Station for Plant No. 1 to 5

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at MAHATMA GANDHI ROAD Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at GIRISH PARK Station for 3 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at SHOVABAZAR Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Shyambazar Station for 6 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Belgachia Station for 3 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Esplande Station for 5 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Parkstreet Station for 3 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Maidan Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Rabindra Sadan Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Netaji Bhaban Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Jatin Das Park Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Kalighat Station for 4 Plant

Operation and All inclusive maintenance of Air Conditioning Plants and its ancillary equipments including Electricals at Rabindra Sarobar Station for 4 Plant

2-Annual Overhauling of A.C Plants comprising of the following

Overhauling of Cooling Coil with bye pass damper

Overhauling of Cooling Tower

Overhauling of Pumps & Motors of different capacity

Overhauling of water pipelines

Valves(Gate/Globe/Butterfly/Non return/Check/Mixing)

Overhauling of Gauges and safety switches

Overhauling of refrigerant pipeline with insulation

Overhauling of Electrical Control Panel with Starters,Circuit Breakers

Overhauling of Control Desk

Overhauling of Water Treatment Plant

GI structural work

Air Handling Unit

supply & erection of plain concrete cement

3-Replacement of major items as and when required during Overhauling

Supply & Erection of galvanised steel pipe for water circuit of 250mm ID as perspecification

Supply & Erection of galvanised steel pipe for water circuit of 200mm ID as perspecification

Supply & Erection of galvanised steel pipe for water circuit of 150mm ID as perspecification

Supply & Erection of galvanised steel pipe for water circuit of 100mm ID as perspecification

Supply & Erection of galvanised steel pipe for water circuit of 80mm ID as perspecification

Supply & Erection of galvanised steel pipe for water circuit of 50mm ID as perspecification